101 lines
3.3 KiB
C++
101 lines
3.3 KiB
C++
//-----------------------------------------------------------------------------
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// Project : VST SDK
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//
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// Category : Helpers
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// Filename : public.sdk/source/vst/hosting/hostclasses.h
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// Created by : Steinberg, 03/05/2008.
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// Description : VST 3 hostclasses, example impl. for IHostApplication, IAttributeList and IMessage
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//
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//-----------------------------------------------------------------------------
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// This file is part of a Steinberg SDK. It is subject to the license terms
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// in the LICENSE file found in the top-level directory of this distribution
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// and at www.steinberg.net/sdklicenses.
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// No part of the SDK, including this file, may be copied, modified, propagated,
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// or distributed except according to the terms contained in the LICENSE file.
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//-----------------------------------------------------------------------------
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#pragma once
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#include "public.sdk/source/vst/hosting/pluginterfacesupport.h"
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#include "pluginterfaces/vst/ivsthostapplication.h"
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#include <map>
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#include <memory>
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#include <string>
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namespace Steinberg {
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namespace Vst {
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//------------------------------------------------------------------------
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/** Implementation's example of IHostApplication.
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\ingroup hostingBase
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*/
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class HostApplication : public IHostApplication
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{
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public:
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HostApplication ();
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virtual ~HostApplication () noexcept {FUNKNOWN_DTOR}
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//--- IHostApplication ---------------
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tresult PLUGIN_API getName (String128 name) override;
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tresult PLUGIN_API createInstance (TUID cid, TUID _iid, void** obj) override;
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DECLARE_FUNKNOWN_METHODS
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PlugInterfaceSupport* getPlugInterfaceSupport () const { return mPlugInterfaceSupport; }
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private:
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IPtr<PlugInterfaceSupport> mPlugInterfaceSupport;
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};
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//------------------------------------------------------------------------
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/** Example, ready to use implementation of IAttributeList.
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\ingroup hostingBase
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*/
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class HostAttributeList final : public IAttributeList
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{
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public:
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/** make a new attribute list instance */
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static IPtr<IAttributeList> make ();
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tresult PLUGIN_API setInt (AttrID aid, int64 value) override;
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tresult PLUGIN_API getInt (AttrID aid, int64& value) override;
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tresult PLUGIN_API setFloat (AttrID aid, double value) override;
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tresult PLUGIN_API getFloat (AttrID aid, double& value) override;
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tresult PLUGIN_API setString (AttrID aid, const TChar* string) override;
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tresult PLUGIN_API getString (AttrID aid, TChar* string, uint32 sizeInBytes) override;
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tresult PLUGIN_API setBinary (AttrID aid, const void* data, uint32 sizeInBytes) override;
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tresult PLUGIN_API getBinary (AttrID aid, const void*& data, uint32& sizeInBytes) override;
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virtual ~HostAttributeList () noexcept;
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DECLARE_FUNKNOWN_METHODS
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private:
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HostAttributeList ();
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struct Attribute;
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std::map<std::string, Attribute> list;
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};
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//------------------------------------------------------------------------
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/** Example implementation of IMessage.
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\ingroup hostingBase
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*/
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class HostMessage final : public IMessage
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{
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public:
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HostMessage ();
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virtual ~HostMessage () noexcept;
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const char* PLUGIN_API getMessageID () override;
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void PLUGIN_API setMessageID (const char* messageID) override;
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IAttributeList* PLUGIN_API getAttributes () override;
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DECLARE_FUNKNOWN_METHODS
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private:
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char* messageId {nullptr};
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IPtr<IAttributeList> attributeList;
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};
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//------------------------------------------------------------------------
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} // namespace Vst
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} // namespace Steinberg
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